76 static const char *ovl_uuid_mode(struct ovl_config *config)  in ovl_uuid_mode()  argument
78 	return ovl_parameter_uuid[config->uuid].name;  in ovl_uuid_mode()
93 const char *ovl_xino_mode(struct ovl_config *config)  in ovl_xino_mode()  argument
95 	return ovl_parameter_xino[config->xino].name;  in ovl_xino_mode()
111 static const char *ovl_redirect_mode(struct ovl_config *config)  in ovl_redirect_mode()  argument
113 	return ovl_parameter_redirect_dir[config->redirect_mode].name;  in ovl_redirect_mode()
130 static const char *ovl_verity_mode(struct ovl_config *config)  in ovl_verity_mode()  argument
132 	return ovl_parameter_verity[config->verity_mode].name;  in ovl_verity_mode()
296 	struct ovl_config *config = &ofs->config;  in ovl_parse_param_upperdir()  local
322 		kfree(config->workdir);  in ovl_parse_param_upperdir()
323 		config->workdir = dup;  in ovl_parse_param_upperdir()
327 		kfree(config->upperdir);  in ovl_parse_param_upperdir()
328 		config->upperdir = dup;  in ovl_parse_param_upperdir()
528 	struct ovl_config *config = &ofs->config;  in ovl_parse_param()  local
566 		config->default_permissions = true;  in ovl_parse_param()
569 		config->redirect_mode = result.uint_32;  in ovl_parse_param()
570 		if (config->redirect_mode == OVL_REDIRECT_OFF) {  in ovl_parse_param()
571 			config->redirect_mode = ovl_redirect_always_follow ?  in ovl_parse_param()
578 		config->index = result.uint_32;  in ovl_parse_param()
582 		config->uuid = result.uint_32;  in ovl_parse_param()
585 		config->nfs_export = result.uint_32;  in ovl_parse_param()
589 		config->xino = result.uint_32;  in ovl_parse_param()
592 		config->metacopy = result.uint_32;  in ovl_parse_param()
596 		config->verity_mode = result.uint_32;  in ovl_parse_param()
599 		config->ovl_volatile = true;  in ovl_parse_param()
602 		config->userxattr = true;  in ovl_parse_param()
704 	ofs->config.redirect_mode	= ovl_redirect_mode_def();  in ovl_init_fs_context()
705 	ofs->config.index		= ovl_index_def;  in ovl_init_fs_context()
706 	ofs->config.uuid		= ovl_uuid_def();  in ovl_init_fs_context()
707 	ofs->config.nfs_export		= ovl_nfs_export_def;  in ovl_init_fs_context()
708 	ofs->config.xino		= ovl_xino_def();  in ovl_init_fs_context()
709 	ofs->config.metacopy		= ovl_metacopy_def;  in ovl_init_fs_context()
740 	mounts = (struct vfsmount **) ofs->config.lowerdirs;  in ovl_free_fs()
743 		kfree(ofs->config.lowerdirs[i]);  in ovl_free_fs()
752 	kfree(ofs->config.lowerdirs);  in ovl_free_fs()
753 	kfree(ofs->config.upperdir);  in ovl_free_fs()
754 	kfree(ofs->config.workdir);  in ovl_free_fs()
761 			 struct ovl_config *config)  in ovl_fs_params_verify()  argument
765 	if (ctx->nr_data > 0 && !config->metacopy) {  in ovl_fs_params_verify()
771 	if (!config->upperdir) {  in ovl_fs_params_verify()
772 		if (config->workdir) {  in ovl_fs_params_verify()
774 				config->workdir);  in ovl_fs_params_verify()
775 			kfree(config->workdir);  in ovl_fs_params_verify()
776 			config->workdir = NULL;  in ovl_fs_params_verify()
778 		if (config->index && set.index) {  in ovl_fs_params_verify()
782 		config->index = false;  in ovl_fs_params_verify()
785 	if (!config->upperdir && config->ovl_volatile) {  in ovl_fs_params_verify()
787 		config->ovl_volatile = false;  in ovl_fs_params_verify()
790 	if (!config->upperdir && config->uuid == OVL_UUID_ON) {  in ovl_fs_params_verify()
792 		config->uuid = OVL_UUID_NULL;  in ovl_fs_params_verify()
796 	if (config->verity_mode && !config->metacopy) {  in ovl_fs_params_verify()
800 			       ovl_verity_mode(config));  in ovl_fs_params_verify()
804 		config->metacopy = true;  in ovl_fs_params_verify()
811 	if (!config->upperdir && config->redirect_mode == OVL_REDIRECT_FOLLOW)  in ovl_fs_params_verify()
812 		config->redirect_mode = OVL_REDIRECT_ON;  in ovl_fs_params_verify()
815 	if (config->metacopy && config->redirect_mode != OVL_REDIRECT_ON) {  in ovl_fs_params_verify()
818 			       ovl_redirect_mode(config));  in ovl_fs_params_verify()
821 		if (config->verity_mode && set.redirect) {  in ovl_fs_params_verify()
823 			       ovl_verity_mode(config), ovl_redirect_mode(config));  in ovl_fs_params_verify()
832 				ovl_redirect_mode(config));  in ovl_fs_params_verify()
833 			config->metacopy = false;  in ovl_fs_params_verify()
836 			config->redirect_mode = OVL_REDIRECT_ON;  in ovl_fs_params_verify()
841 	if (config->nfs_export && !config->index) {  in ovl_fs_params_verify()
842 		if (!config->upperdir &&  in ovl_fs_params_verify()
843 		    config->redirect_mode != OVL_REDIRECT_NOFOLLOW) {  in ovl_fs_params_verify()
845 			config->nfs_export = false;  in ovl_fs_params_verify()
855 			config->nfs_export = false;  in ovl_fs_params_verify()
858 			config->index = true;  in ovl_fs_params_verify()
863 	if (config->nfs_export && config->metacopy) {  in ovl_fs_params_verify()
874 			config->nfs_export = false;  in ovl_fs_params_verify()
875 		} else if (config->verity_mode) {  in ovl_fs_params_verify()
881 				ovl_verity_mode(config));  in ovl_fs_params_verify()
882 			config->nfs_export = false;  in ovl_fs_params_verify()
889 			config->metacopy = false;  in ovl_fs_params_verify()
895 	if (config->userxattr) {  in ovl_fs_params_verify()
897 		    config->redirect_mode != OVL_REDIRECT_NOFOLLOW) {  in ovl_fs_params_verify()
899 			       ovl_redirect_mode(config));  in ovl_fs_params_verify()
902 		if (config->metacopy && set.metacopy) {  in ovl_fs_params_verify()
906 		if (config->verity_mode) {  in ovl_fs_params_verify()
908 			       ovl_verity_mode(config));  in ovl_fs_params_verify()
917 		config->redirect_mode = OVL_REDIRECT_NOFOLLOW;  in ovl_fs_params_verify()
918 		config->metacopy = false;  in ovl_fs_params_verify()
952 		seq_escape(m, ofs->config.lowerdirs[nr], ":, \t\n\\");  in ovl_show_options()
954 	if (ofs->config.upperdir) {  in ovl_show_options()
955 		seq_show_option(m, "upperdir", ofs->config.upperdir);  in ovl_show_options()
956 		seq_show_option(m, "workdir", ofs->config.workdir);  in ovl_show_options()
958 	if (ofs->config.default_permissions)  in ovl_show_options()
960 	if (ofs->config.redirect_mode != ovl_redirect_mode_def())  in ovl_show_options()
962 			   ovl_redirect_mode(&ofs->config));  in ovl_show_options()
963 	if (ofs->config.index != ovl_index_def)  in ovl_show_options()
964 		seq_printf(m, ",index=%s", ofs->config.index ? "on" : "off");  in ovl_show_options()
965 	if (ofs->config.uuid != ovl_uuid_def())  in ovl_show_options()
966 		seq_printf(m, ",uuid=%s", ovl_uuid_mode(&ofs->config));  in ovl_show_options()
967 	if (ofs->config.nfs_export != ovl_nfs_export_def)  in ovl_show_options()
968 		seq_printf(m, ",nfs_export=%s", ofs->config.nfs_export ?  in ovl_show_options()
970 	if (ofs->config.xino != ovl_xino_def() && !ovl_same_fs(ofs))  in ovl_show_options()
971 		seq_printf(m, ",xino=%s", ovl_xino_mode(&ofs->config));  in ovl_show_options()
972 	if (ofs->config.metacopy != ovl_metacopy_def)  in ovl_show_options()
974 			   ofs->config.metacopy ? "on" : "off");  in ovl_show_options()
975 	if (ofs->config.ovl_volatile)  in ovl_show_options()
977 	if (ofs->config.userxattr)  in ovl_show_options()
979 	if (ofs->config.verity_mode != ovl_verity_mode_def())  in ovl_show_options()
981 			   ovl_verity_mode(&ofs->config));  in ovl_show_options()